CN104423723A - Touch screen - Google Patents
Touch screen Download PDFInfo
- Publication number
- CN104423723A CN104423723A CN201310398424.3A CN201310398424A CN104423723A CN 104423723 A CN104423723 A CN 104423723A CN 201310398424 A CN201310398424 A CN 201310398424A CN 104423723 A CN104423723 A CN 104423723A
- Authority
- CN
- China
- Prior art keywords
- touch
- laser
- positioning frame
- screen
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a touch screen. The touch screen comprises a rectangular display screen, a rectangular touch positioning frame and a computer mainframe. A horizontal projection of the touch positioning frame to the display screen is that the display screen is positioned in the touch positioning frame, namely the touch positioning frame is positioned around the display screen. A laser emitter array is arranged in each of two adjacent borders of the touch positioning frame to form laser emission borders; a laser receiver array is arranged in each of the other two adjacent borders of the touch positioning frame to form laser receiving frames. The laser emission borders and the laser receiving borders are opposite pairwise, the touch positioning borders are in two-way communication with the computer mainframe to transmit positioning position information or original data acquired by the touch positioning frame. The touch screen has the advantages that stability touch control on the large screen can be realized, actual touch of the display screen is not needed, and touch control can be realized flexibly.
Description
Technical field
The present invention relates to a kind of touch-screen.
Background technology
Along with the popularization that touch screen technology is applied in hand-held electronic equipment, also more and more higher to the requirement of visual control.The smart mobile phone that people can see now all towards the future development of touch-screen, comprises panel computer, e-book etc.Traditional pressure resistance type touch-screen needs to apply certain dynamics to screen could realize touch control, because everyone dynamics size is inconsistent, controls to get up to have under-sensitive problem; Capacitive touch screen is sensitiveer than the induction of traditional pressure resistance type, is widely used in the touch product of main flow at present.
Above-mentioned two kinds of different touch-screens realize principle following common ground: sensor is in immediately below screen, has great screen just to need great sensor array, is obtained for restriction in giant-screen application aspect from cost and experience effect.Meanwhile, need user to carry out in-plant contact with screen, be unfavorable for the flexible Application in specific occasion.Such as, in teaching, how can realize the light control realizing teacher's pointer on the screen of large screen projection, will be a challenge to traditional touch-screen controlling mechanism.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of touch-screen, can realize the stability contorting touched, and without the need to actual touch to display screen, can realize touch control flexibly on giant-screen.
For solving the problems of the technologies described above, touch-screen of the present invention, comprises a rectangular display screen curtain, wherein, also comprises a rectangular touch positioning frame and a host computer;
The horizontal projection of described touch-control positioning frame and display screen is that display screen is positioned at touch-control positioning frame, and namely touch-control positioning frame is positioned at the surrounding of display screen;
In two of described touch-control positioning frame adjacent frames, respectively a Laser emission head array is set respectively, forms Laser emission frame; In the frame that two other is adjacent, respectively a laser pickoff array is set respectively, forms laser pick-off frame; Laser emission frame and laser pick-off frame are in position facing each other;
Realize both-way communication between described touch-control positioning frame and host computer, transmit the raw data of positioning position information or the collection of touch-control positioning frame.
Touch-screen of the present invention, is similar to existing versatile touch screen, but the occasion of the mode realized and application and existing touch-screen have larger difference.What traditional touch-screen adopted is pressure resistance type or condenser type, need user directly and the close contact of sensing screen, and the present invention can realize on giant-screen touch stability contorting while, without the need to directly touching display screen, just can realize touch control flexibly.
The present invention, under the touch control of giant-screen, can make cost be effectively controlled, be conducive to the commercialization of giant-screen touch-control.
The present invention can make display screen independently exist with the touch control device realized by touch-control positioning frame etc., when touch control device and display screen keep certain distance, effectively can realize flexible configuration, especially show on the projection screen more obvious, compared with locating with traditional touch, have larger advantage.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention is further detailed explanation:
Fig. 1 is described touch screen structure schematic diagram;
Fig. 2 is touch-control positioning frame structural representation in Fig. 1.
Embodiment
Shown in Figure 1, described touch-screen arranges a touch-control positioning frame in the surrounding of display screen, and it comprises: rectangular display screen curtain 100, touch-control positioning frame 101 and a host computer 102.In order to ensure the authenticity of touch-control, touch-control positioning frame 101 matches with the boundary sizes of display screen 100, touch-control positioning frame 101 is fixed on the periphery of display screen 100.
Realize both-way communication between touch-control positioning frame 101 and host computer 102, the mode of communication can adopt wire communication, also can adopt wireless telecommunications.Meanwhile, if be provided with data processing and communication module in touch-control positioning frame 101, location algorithm can realize in host computer 102, also can be placed in this data processing and communication module and realize; Positioning position information after processing directly can be passed to host computer 102 by described data processing and communication module; The data of acquired original also can be passed to host computer 102 and process by touch-control positioning frame 101, calculate concrete positioning position information by host computer 102.
Shown in Figure 2 again, described touch-control positioning frame 101, comprising: two Laser emission head array 103(such as infrared laser), two laser pickoff arrays 104 and a data processing and communication module 106.Laser beam 109 is transmitted into laser pickoff array 104 by Laser emission head array 103.
In two of described touch-control positioning frame 101 adjacent frames, respectively a Laser emission head array 103(is set respectively as the left end frame in Fig. 2 and upper end frame), form Laser emission frame; In the frame that two other is adjacent, respectively a laser pickoff array 104(is set respectively as the right-hand member frame in Fig. 2 and lower end frame), form laser pick-off frame.Laser emission frame and laser pick-off frame are in position facing each other.When there being touch object 105 to be positioned at touch-control positioning frame 101, the fraction of laser light receiver on corresponding laser pick-off frame cannot receive the laser beam of laser beam 109
Include for touch-control positioning frame 101 pattern that data processing and communication module 106 position algorithm process below, describe the mode realizing location in detail.
The position of laser pickoff each in laser pickoff array 104 is numbered, as shown in table 1 below.When in touch-control positioning frame 101 region without any touch object 105 time, each laser pickoff can receive the laser beam launched from Laser emission head array 103.When touch object 105 appears in touch-control positioning frame 101, can block the laser beam of a part, such fraction of laser light receiver will not receive the laser beam of laser beam 109.The laser pickoff 108 on the frame of lower end and the laser pickoff 107 on right-hand member frame is positioned in such as Fig. 2.Data processing and communication module 106 gather all laser pickoffs receiving the laser beam of laser beam 109 and number, the horizontal and vertical position that the table lookup of reference table 1 is corresponding.
Table 1
Generally, the not of uniform size of touch object 105 causes, and there will be the laser pickoff quantity be blocked also inconsistent in reality, during actual computation position, can adopt mean value method to realize.Such as, the laser pickoff that laterally (lower end namely in Fig. 2) is blocked is numbered 5065,5066,5067, longitudinally (right-hand member namely in Fig. 2) laser pickoff of being blocked be numbered 9102,9103,9104, according to the data that table 1 is listed, address corresponding to horizontal X respectively: x1=13000, x2=13200, x3=13400; The address that longitudinal Y is corresponding is respectively y1=20400, y2=20600, y3=20800.Current touch-control position location is obtained as follows: X=(x1+x1+x3)/3=13200 according to mean value method; Y=(y1+y2+y3)/3=20600; Obtain the position location of touch object 105.
In actual applications, touch-control positioning frame 101 can maintain a certain distance with display screen 100 (namely the plane at touch-control positioning frame 101 place and the plane at display screen 100 place can have certain distance), or touch-control positioning frame 101 and display screen 100 are separate, and (namely touch-control positioning frame 101 can be integrated into a device with display screen 100, also can respectively as an independently device, touch-control positioning frame 101 is arranged on the outside of display screen 100), like this, will become more flexible in the application being similar to projection screen relevant.
Each laser pickoff array 104 is made up of multiple laser pickoff (laser pick-off sensitive component) that is horizontal or that be longitudinally arranged in order.Each described Laser emission head array 103 can be made up of multiple laser beam emitting head that is horizontal or that be longitudinally arranged in order, and each laser beam emitting head is one point of shaven head.In order to reduce system cost, a touch-control positioning frame 101 configuration generating laser, the laser that this generating laser produces by described point of shaven head carries out light-splitting processing by physics mode, produces the laser beam be made up of parallel laser light needed for described touch-control positioning frame 101.Such as, by photoconduction components and parts, the laser beam of laser beam 109 is passed to each point of shaven head.Each laser pickoff in each laser beam emitting head in Laser emission head array 103 and laser pickoff array 104 one_to_one corresponding respectively.
In order to reduce the power consumption of touch-control positioning frame 101, the Laser emission head array 103 in touch-control positioning frame 101 adopts scan mode work.Namely described generating laser is a direct-open, and laser beam emitting head is not open simultaneously, and a time period only has a laser beam emitting head to open.Data processing and communication module 106 only need detect the stop whether having touch object 105 in the middle of the laser pickoff corresponding with the laser beam emitting head of this unlatching within this time period.Subsequent time period closes the laser beam emitting head opened, and opens next laser beam emitting head; So, repetitive cycling successively.The opening and closing of laser beam emitting head is by data processing and communication module 106 centralized control.
Such as, when to detect be numbered 5001 laser pickoff time, open the laser beam emitting head corresponding with the laser pickoff being numbered 5001, close other laser beam emitting head.The location algorithm that scan control and host computer 102 realize or the location algorithm part realized by the data processing be arranged in touch-control positioning frame 101 and communication module 106 realize synchronous.
The present invention, by shadowing to laser beam, can analyze and obtain touch object 105(and block object) actual plane positional information.
Above by embodiment to invention has been detailed description, but these are not construed as limiting the invention.Without departing from the principles of the present invention, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection scope of the present invention.
Claims (7)
1. a touch-screen, comprises a rectangular display screen curtain, it is characterized in that, also comprises a rectangular touch positioning frame and a host computer;
The horizontal projection of described touch-control positioning frame and display screen is that display screen is positioned at touch-control positioning frame, and namely touch-control positioning frame is positioned at the surrounding of display screen;
In two of described touch-control positioning frame adjacent frames, respectively a Laser emission head array is set respectively, forms Laser emission frame; In the frame that two other is adjacent, respectively a laser pickoff array is set respectively, forms laser pick-off frame; Laser emission frame and laser pick-off frame are in position facing each other;
Realize both-way communication between described touch-control positioning frame and host computer, transmit the raw data of positioning position information or the collection of touch-control positioning frame.
2. touch-screen as claimed in claim 1, it is characterized in that: arrange a data processing and communication module in described touch-control positioning frame, location algorithm can realize in described host computer, also can realize in this data processing and communication module; Positioning position information after processing is directly passed to host computer by described data processing and communication module.
3. touch-screen as claimed in claim 2, is characterized in that: described data processing and communication module, gathers all laser pickoff numberings receiving the laser beam of laser beam, searches corresponding horizontal and vertical position; And the data of acquired original are passed to host computer.
4. touch-screen as claimed in claim 1, is characterized in that: each described laser pickoff array is made up of multiple laser pickoff be arranged in order;
Each described Laser emission head array is made up of multiple laser beam emitting head be arranged in order, each emitting head is one point of shaven head, the laser that one generating laser produces by described point of shaven head carries out light-splitting processing, produces the laser beam be made up of parallel laser light needed for described touch-control positioning frame;
Each laser pickoff in each laser beam emitting head in described Laser emission head array and laser pickoff array one_to_one corresponding respectively.
5. touch-screen as claimed in claim 4, is characterized in that: described Laser emission head array adopts scan mode work; Namely described generating laser is a direct-open, and in described Laser emission head array, each laser beam emitting head is opened and closed by control successively.
6. touch-screen as claimed in claim 5, is characterized in that: the opening and closing of described laser beam emitting head is by the data processing be arranged in described touch-control positioning frame and communication module centralized control.
7. touch-screen as claimed in claim 5, it is characterized in that: arrange a data processing and communication module in described touch-control positioning frame, location algorithm can realize in described host computer, also can realize in this data processing and communication module; Positioning position information after processing is directly passed to host computer by described data processing and communication module;
Scan control and the location algorithm that host computer realizes or the location algorithm part realized by the data processing be arranged in touch-control positioning frame and communication module realize synchronous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398424.3A CN104423723A (en) | 2013-09-04 | 2013-09-04 | Touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398424.3A CN104423723A (en) | 2013-09-04 | 2013-09-04 | Touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104423723A true CN104423723A (en) | 2015-03-18 |
Family
ID=52972930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310398424.3A Pending CN104423723A (en) | 2013-09-04 | 2013-09-04 | Touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104423723A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708334A (en) * | 2016-12-30 | 2017-05-24 | 南京仁光电子科技有限公司 | Array dotted light emitting device and interaction system and method thereof |
| CN108920025A (en) * | 2018-09-19 | 2018-11-30 | 信利光电股份有限公司 | A kind of touch input equipment and its electronic equipment of application |
| CN112539699A (en) * | 2020-11-26 | 2021-03-23 | 东风越野车有限公司 | Display device and method for laser-assisted positioning |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109878A (en) * | 2009-12-23 | 2011-06-29 | 厦门信烨联动传媒有限公司 | Infrared multipoint touch television computer all-in-one machine |
-
2013
- 2013-09-04 CN CN201310398424.3A patent/CN104423723A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109878A (en) * | 2009-12-23 | 2011-06-29 | 厦门信烨联动传媒有限公司 | Infrared multipoint touch television computer all-in-one machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708334A (en) * | 2016-12-30 | 2017-05-24 | 南京仁光电子科技有限公司 | Array dotted light emitting device and interaction system and method thereof |
| CN106708334B (en) * | 2016-12-30 | 2020-11-27 | 南京仁光电子科技有限公司 | Array type point-line light-emitting device and interaction system and interaction method thereof |
| CN108920025A (en) * | 2018-09-19 | 2018-11-30 | 信利光电股份有限公司 | A kind of touch input equipment and its electronic equipment of application |
| CN112539699A (en) * | 2020-11-26 | 2021-03-23 | 东风越野车有限公司 | Display device and method for laser-assisted positioning |
| CN112539699B (en) * | 2020-11-26 | 2023-09-05 | 东风越野车有限公司 | Laser-assisted positioning display device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210373677A1 (en) | Stylus to host synchronization using a magnetic field | |
| CN104769537B (en) | For using the interface and synchronous method between the touch controller and display driver that touch integrated display operation | |
| CN104423757B (en) | Touch integrated circuit and be integrated with the display device of the touch-screen using it | |
| CN106557215B (en) | Multiple point touching induction display device and for the specified method for wherein touching identity | |
| CN106484178B (en) | The driving method of stylus, touch-sensing system and touch-sensing system | |
| CN103383613B (en) | touch screen driver | |
| CN105425999B (en) | Touch-sensing unit for the display device with integrated touch screen | |
| CN103425317B (en) | Touch-sensing equipment and driving method thereof | |
| CN102955611B (en) | Touch sensing device | |
| CN104571683B (en) | Touch-sensing system and its driving method | |
| CN105637443B (en) | Low-power mode in embedded unit | |
| CN107272921A (en) | Active touch control pen includes its touch-sensing system and touch-sensing method | |
| CN106997255A (en) | Touch-sensing system and touch drive device with active touch control pen | |
| CN103425365A (en) | Display device | |
| CN105549766A (en) | Input system and method for detecting touch using the same | |
| CN103309535A (en) | Capacitive touch screen | |
| CN105739738B (en) | Touch sensor integrated-type display device | |
| CN107533393A (en) | Integrated self-capacitance touch display | |
| CN107066122A (en) | Active touch control pen, touch-sensing system and its driving method | |
| CN206363280U (en) | Display screen and terminal with fingerprint identification function | |
| CN104423723A (en) | Touch screen | |
| CN205193768U (en) | Touch frame of double-screen display system | |
| CN105739748B (en) | Touch panel device | |
| CN103885655B (en) | Display device and its driving method | |
| CN102184062B (en) | Infrared touch system and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |